/* Platform Preloader - Modular, Theme-Aware, Animated */
.platform-preloader {
  position: fixed;
  inset: 0;
  z-index: 5000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--preloader-bg, #fff);
  transition: opacity 0.5s cubic-bezier(.4,0,.2,1);
  opacity: 1;
  pointer-events: all;
}

.platform-preloader.hide {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s cubic-bezier(.4,0,.2,1);
}

.preloader-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  animation: preloader-bounce 1.2s infinite alternate cubic-bezier(.4,0,.2,1);
}

.preloader-logo svg {
  color: var(--preloader-accent, #38bdf8);
  width: 64px;
  height: 64px;
  filter: drop-shadow(0 2px 12px rgba(56,189,248,0.15));
  animation: preloader-spin 1.5s linear infinite;
}

.preloader-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--preloader-accent, #38bdf8);
  text-shadow: 0 2px 8px rgba(56,189,248,0.08);
}

@keyframes preloader-spin {
  0% { transform: rotate(0deg);}
  100% { transform: rotate(360deg);}
}

@keyframes preloader-bounce {
  0% { transform: translateY(0);}
  100% { transform: translateY(-12px);}
}

.preloader-blocks .block {
  fill: var(--preloader-accent, #38bdf8);
  opacity: 0.7;
  transform: scale(0.7);
  animation: block-appear 1.2s cubic-bezier(.4,0,.2,1) forwards;
}
.preloader-blocks .block1 { animation-delay: 0.0s; }
.preloader-blocks .block2 { animation-delay: 0.1s; }
.preloader-blocks .block3 { animation-delay: 0.2s; }
.preloader-blocks .block4 { animation-delay: 0.3s; }
.preloader-blocks .block5 { animation-delay: 0.4s; }
.preloader-blocks .block6 { animation-delay: 0.5s; }
.preloader-blocks .block7 { animation-delay: 0.6s; }
.preloader-blocks .block8 { animation-delay: 0.7s; }
.preloader-blocks .block9 { animation-delay: 0.8s; }

@keyframes block-appear {
  0%   { opacity: 0; transform: scale(0.3) translateY(20px);}
  60%  { opacity: 1; transform: scale(1.1) translateY(-4px);}
  80%  { opacity: 1; transform: scale(0.95) translateY(2px);}
  100% { opacity: 0.7; transform: scale(1) translateY(0);}
}

.preloader-blocks .block5 {
  /* Center block pulses to draw attention */
  animation: block-center-pulse 1.2s 0.4s cubic-bezier(.4,0,.2,1) infinite alternate;
}
@keyframes block-center-pulse {
  0%   { opacity: 0.7; transform: scale(1);}
  100% { opacity: 1;   transform: scale(1.15);}
}

.preloader-subtitle {
  font-size: 1rem;
  font-weight: 400;
  color: var(--preloader-accent, #38bdf8);
  opacity: 0.7;
  margin-top: -0.5rem;
  letter-spacing: 0.04em;
}

:root {
  --preloader-bg: #fff;
  --preloader-accent: #38bdf8;
}
.dark-mode {
  --preloader-bg: #1e293b;
  --preloader-accent: #38bdf8;
}